常用XDC约束

CrazyClock

###############################################################################
# Pinout and Related I/O Constraints
###############################################################################

1. set_property -dict {PACKAGE_PIN K28 IOSTANDARD LVCMOS25} [get_ports CLK_50M]
   
2. 等同于
   
3. set_property PACKAGE_PIN K28 [get_ports CLK_50M]
   
4. set_property IOSTANDARD LVCMOS25 [get_ports CLK_50M]

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###############################################################################
#差分终端匹配约束
###############################################################################

1. #UltraScale
   
2. set_property DIFF_TERM_ADV TERM_100     [get_ports adc_glblclk_p]
   
3. #V7
   
4. set_property DIFF_TERM      TRUE        [get_ports dac_glblclk_p]

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Flash约束
# BPI Flash Programming
###############################################################################
# Flash Programming Settings: Uncomment as required by your design
# Items below between < > must be updated with correct values to work properly.
###############################################################################

1. # BPI Flash Programming
   
2. #set_property CONFIG_MODE BPI16 [current_design]
   
3. #set_property BITSTREAM.CONFIG.BPI_SYNC_MODE <disable | Type1 | Type2> [current_design]
   
4. #set_property BITSTREAM.CONFIG.CONFIGRATE 9 [current_design]
   
5. #set_property CONFIG_VOLTAGE <voltage> [current_design]
   
6. #set_property CFGBVS GND [current_design]
   
7. # Example PROM Generation command that should be executed from the Tcl Console
   
8. #write_cfgmem -format mcs -interface bpix16 -size 128 -loadbit "up 0x0 <inputBitfile.bit>" <outputBitfile.bit>
   
9. 
   
10. set_property BITSTREAM.CONFIG.CONFIGRATE 22 [current_design]
    
11. set_property BITSTREAM.CONFIG.BPI_SYNC_MODE Type1 [current_design]
    

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# SPI Flash Programming

1. #set_property CONFIG_MODE SPIx4 [current_design]
   
2. #set_property BITSTREAM.CONFIG.SPI_BUSWIDTH 4 \[current_design\]"
   
3. #set_property CONFIG_VOLTAGE <voltage> [current_design]
   
4. #set_property CFGBVS <GND | VCC> [current_design]
   
5. # Example PROM Generation command that should be executed from the Tcl Console
   
6. #write_cfgmem -format mcs -interface spix4 -size 128 -loadbit "up 0x0 <inputBitfile.bit>" <outputBitfile.bit>
   
7. 
   
8. #SPI
   
9. set_property CONFIG_MODE SPIx4 [current_design]
   
10. set_property BITSTREAM.CONFIG.SPI_BUSWIDTH 4 [current_design]
    
11. set_property BITSTREAM.CONFIG.CONFIGRATE 22 [current_design]
    
12. #set_property BITSTREAM.CONFIG.SPI_32BIT_ADDR YES [current_design]
    
13. #set_property BITSTREAM.CONFIG.SPI_FALL_EDGE YES [current_design]

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###############################################################################
#BIT压缩，未使用引脚悬空
###############################################################################

1. set_property BITSTREAM.CONFIG.UNUSEDPIN Pullnone [current_design]
   
2. set_property BITSTREAM.GENERAL.COMPRESS TRUE [current_design]

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# ID Config

1. set_property BITSTREAM.CONFIG.USERID 32'h12345678 [current_design]

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国产V7 含有DDR逻辑，重新加载无法启动添加约束：

1. set_property BITSTREAM.STARTUP.MATCH_CYCLE NOWAIT [current_design]

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###############################################################################
#dbg_hub约束
###############################################################################

1. set_property C_CLK_INPUT_FREQ_HZ 300000000 [get_debug_cores dbg_hub]
   
2. set_property C_ENABLE_CLK_DIVIDER false [get_debug_cores dbg_hub]
   
3. set_property C_USER_SCAN_CHAIN 1 [get_debug_cores dbg_hub]
   
4. connect_debug_port dbg_hub/clk [get_nets [list clk300m]]

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异步时钟组约束

1. set_clock_groups -asynchronous \
   
2.             -group [get_clocks -include_generated_clocks clk1] \  
   
3.             -group [get_clocks -include_generated_clocks clk2] \
   
4.             -group [get_clocks userclk1] \
   
5.             -group [get_clocks userclk2]   
   

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xxppno1

感谢感谢

CrazyBingo

不如你试试 插入代码块的方式
这样帖子会更好看

CrazyClock

CrazyBingo 发表于 2025-3-17 22:44
不如你试试 插入代码块的方式
这样帖子会更好看

哈哈哈，学习了，确实好看点了

CrazyBingo

CrazyClock 发表于 2025-3-18 09:37
哈哈哈，学习了，确实好看点了

100分

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感谢分享！